Mattermost Channels
Provider 
Founded 2016
Sells To Enterprise, Military, Small Business
Pricing Model Recurring, Software
Ownership Venture-backed

Secure channel-based messaging and collaboration for mission-critical teams.
Mattermost Channels delivers secure, channel-based messaging with voice, video, and file sharing for teams in defense, intelligence, and critical infrastructure. It runs on-premises or in private clouds with full data control.
Features include threaded conversations, custom emoji, advanced search, and integrations with DevOps and security tools. Built for air-gapped and classified environments.
| Attribute | Mattermost Channels | Secure CommsOS | |
|---|---|---|---|
| Provider | |||
| Founded | 2016 | 2015 | |
| Sells To | Enterprise, Military, Small Business | Small Business | |
| Pricing Model | Recurring, Software | Recurring | |
| Ownership | Venture-backed | Venture-backed |
Provider 
Founded 2016
Sells To Enterprise, Military, Small Business
Pricing Model Recurring, Software
Ownership Venture-backed
Provider 
Founded 2015
Sells To Small Business
Pricing Model Recurring
Ownership Venture-backed


Slack is a cloud-based team messaging and collaboration platform with AI workflow features for businesses.

Chat API and SDK platform for building in-app messaging with unlimited channel membership.



A governed communication intelligence platform for enterprise messaging compliance.


Chat API, SDKs, and UI kits for building group messaging into apps and websites.


Programmable SMS, MMS, WhatsApp, and chat messaging APIs for global communication.


Telegram Messenger is a cloud messaging app for chats, channels, groups, media, and communities.



In-app chat and calls platform with UI kits, SDKs, and APIs for developers.



Everbridge Mass Notification sends critical alerts to employees and stakeholders across multiple channels during emergencies.


Enterprise security and compliance controls that automatically find and protect sensitive information across team workspaces.


Slack bot bringing codebase-aware AI answers into Slack channels via @mention, grounded in actual code and documentation.
Slack is a cloud-based team messaging and collaboration platform with AI workflow features for businesses.

Chat API and SDK platform for building in-app messaging with unlimited channel membership.

Google Chat is Google's team messaging product within Google Workspace.

A governed communication intelligence platform for enterprise messaging compliance.

Chat API, SDKs, and UI kits for building group messaging into apps and websites.

Programmable SMS, MMS, WhatsApp, and chat messaging APIs for global communication.

Telegram Messenger is a cloud messaging app for chats, channels, groups, media, and communities.

Team chat and collaboration platform with channels and automation.

In-app chat and calls platform with UI kits, SDKs, and APIs for developers.

Cloud-based unified communications as a service providing enterprise voice, video, and messaging.
Everbridge Mass Notification sends critical alerts to employees and stakeholders across multiple channels during emergencies.

Enterprise security and compliance controls that automatically find and protect sensitive information across team workspaces.

Slack bot bringing codebase-aware AI answers into Slack channels via @mention, grounded in actual code and documentation.
